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High resolution ESCA scans of soaked and unsoaked polymer samples spin coated onto glass coverslips show no change or degradation as a result of soaking in purified water.
| Polymer | Peak ID | Binding energy | Unsoaked (at. %) | Soaked (at. %) |
|---|---|---|---|---|
| PVDF-HFP | CH2 | 286 | 49.11 | 48.95 |
| CF2 | 290.5 | 50.89 | 51.05 | |
| PBMA | C–C/C–H | 285 | 69.13 | 68.58 |
| C–O | 286.4 | 17.99 | 18.47 | |
| O–C=O | 288.7 | 12.87 | 12.95 | |
| SIBS-1 | C–C/C–H | 285 | 100 | 100 |
| SIBS-2 | C–C/C–H | 285 | 100 | 100 |
